/** Metoda odpowiedzialna za przerysowanie ekranu */
public void updateScreen() {
Graphics g = getGraphics();
if (displayedScreen == PLAYER_SCREEN) {
if (backgroundLayer != null) {
backgroundLayer.paint(g);
}
if ((bluetoothPlayer.getIsConnectedToServer() == false)
&& (bluetoothPlayer.getBluetoothError() == false)) drawText(g, "Connecting...", 0);
else if (bluetoothPlayer.getBluetoothError() == true) drawText(g, "Disconnected", 0);
else {
if (bluetoothPlayer.getTitle() != null) {
drawText(g, bluetoothPlayer.getTitle(), 0);
}
if (bluetoothPlayer.getArtist() != null) {
drawText(g, bluetoothPlayer.getArtist(), 1);
}
if (showVolume > 0) {
showVolume--;
drawText(g, " Volume: " + volumeLevel + "%", 2);
}
}
if (bluetoothPlayer.isBluetoothOn()) {
if (bluetoothPlayer.getInquiryStarted()) {
showInquiryProgress(g, inquiryProgress += 20);
if (inquiryProgress >= 360) inquiryProgress = 0;
} else {
inquiryProgress = 0;
showInquiryProgress(g, 0);
}
} else {
drawText(g, "Please turn your Bluetooth device on", 1);
}
playPauseSprite.setPosition(screenWidth / 2 - 16, screenHeight - 66 + buttonsLocation);
previousSprite.setPosition(screenWidth / 2 - 55, screenHeight - 66 + buttonsLocation);
nextSprite.setPosition(screenWidth / 2 + 23, screenHeight - 66 + buttonsLocation);
playPauseSprite.paint(g);
previousSprite.paint(g);
nextSprite.paint(g);
if (bluetoothPlayer.getTotalTime() != 0)
showProgressBar(g, bluetoothPlayer.getCurrentTime(), bluetoothPlayer.getTotalTime());
else showProgressBar(g, 0, 100);
} else if (displayedScreen == MEDIA_LIBRARY_LOADING) {
if (backgroundLayer != null) {
backgroundLayer.paint(g);
}
if (bluetoothPlayer.getIsConnectedToServer() == true) {
drawText(g, "Loading media library", 0);
drawText(g, "Please wait...", 1);
// display size of the media library
if (bluetoothPlayer.getMediaLibrarySize() >= 1024) {
drawText(
g,
"Total size: "
+ bluetoothPlayer.getMediaLibrarySize() / 1024
+ "."
+ (bluetoothPlayer.getMediaLibrarySize() % 1024) * 100 / 1024
+ " kB",
3);
} else drawText(g, "Total size: " + bluetoothPlayer.getMediaLibrarySize() + " B", 3);
int size = bluetoothPlayer.getMediaLibrarySize();
if (size == 0) // to avoid dividing by zero
size = 1;
showProgressBar(g, bluetoothPlayer.getMediaLibraryDownloadedBytes(), size);
// if the playlist file was downloaded and parsed
if (bluetoothPlayer.getMediaLibrary().getLibraryDownloadedAndParsed() == true)
setDisplayedScreen(MainCanvas.MEDIA_LIBRARY_SCREEN);
} else drawText(g, "You're not connected", 0);
} else if (displayedScreen == MEDIA_LIBRARY_SCREEN) {
if (backgroundLayer != null) {
backgroundLayer.paint(g);
}
showMediaLibrary(
g, bluetoothPlayer, mediaLibrarySelectedItemOnScreen, mediaLibraryItemsNumberOnScreen);
}
flushGraphics();
}
/** Metoda sprawdzajaca stan klawiszy i aktualizujaca zmienne odpowiedzialne za stan gry */
public void updateState() {
int keys = getKeyStates();
if (bluetoothPlayer.getIsConnectedToServer() == true) {
if (displayedScreen == PLAYER_SCREEN) { // jesli wyswietlany jest ekran odtwarzacza
// jesli przycisk 'Play / Pause' jest wcisniety, a pozostale nie sa wcisniete
if (((keys & FIRE_PRESSED) != 0) && (nextPressed == false) && (previousPressed == false)) {
if (playPauseSprite.getFrame() == PLAY_ICON) {
playPauseSprite.setFrame(PLAY_ICON_PRESSED);
} else if (playPauseSprite.getFrame() == PAUSE_ICON) {
playPauseSprite.setFrame(PAUSE_ICON_PRESSED);
}
if (firePressed == false) soundPlayer.play(SoundPlayer.CLICK_SOUND);
firePressed = true;
}
// przycisk zostal zwolniony
else if (((keys & FIRE_PRESSED) == 0) && (firePressed == true)) {
if (playPauseSprite.getFrame() == PLAY_ICON_PRESSED) { // zmiana stanu przycisku
bluetoothPlayer.play();
playPauseSprite.setFrame(PAUSE_ICON);
} else if (playPauseSprite.getFrame() == PAUSE_ICON_PRESSED) {
bluetoothPlayer.pause();
playPauseSprite.setFrame(PLAY_ICON);
}
firePressed = false;
}
// jesli przycisk 'Next' jest wcisniety, a pozostale nie sa wcisniete
if (((keys & RIGHT_PRESSED) != 0) && (firePressed == false) && (previousPressed == false)) {
if (nextSprite.getFrame() == NEXT_ICON) nextSprite.setFrame(NEXT_ICON_PRESSED);
if (nextPressed == false) {
soundPlayer.play(SoundPlayer.CLICK_SOUND);
}
nextPressed = true;
}
// przycisk zostal zwolniony
else if (((keys & RIGHT_PRESSED) == 0) && (nextPressed == true)) {
if (nextSprite.getFrame() == NEXT_ICON_PRESSED) nextSprite.setFrame(NEXT_ICON);
bluetoothPlayer.addCommandToProcess(BluetoothPlayer.COMMAND_NEXT);
nextPressed = false;
if (bluetoothPlayer.getTotalTime() != 0) // jesli utwor jest odtwarzany lub zapauzowany
playPauseSprite.setFrame(PAUSE_ICON);
}
// jesli przycisk 'Previous' jest wcisniety, a pozostale nie sa wcisniete
if (((keys & LEFT_PRESSED) != 0) && (nextPressed == false) && (firePressed == false)) {
if (previousSprite.getFrame() == PREVIOUS_ICON)
previousSprite.setFrame(PREVIOUS_ICON_PRESSED);
if (previousPressed == false) {
soundPlayer.play(SoundPlayer.CLICK_SOUND);
}
previousPressed = true;
}
// przycisk zostal zwolniony
else if (((keys & LEFT_PRESSED) == 0) && (previousPressed == true)) {
if (previousSprite.getFrame() == PREVIOUS_ICON_PRESSED)
previousSprite.setFrame(PREVIOUS_ICON);
bluetoothPlayer.addCommandToProcess(BluetoothPlayer.COMMAND_PREV);
previousPressed = false;
if (bluetoothPlayer.getTotalTime() != 0) // jesli utwor jest odtwarzany lub zapauzowany
playPauseSprite.setFrame(PAUSE_ICON);
}
// jesli przycisk 'Up' jest wcisniety, a pozostale nie sa wcisniete
if (((keys & UP_PRESSED) != 0)
&& (previousPressed == false)
&& (nextPressed == false)
&& (firePressed == false)) {
if (previousPressed == false) {
soundPlayer.play(SoundPlayer.CLICK_SOUND);
}
bluetoothPlayer.volumeUp();
}
// jesli przycisk 'Down' jest wcisniety, a pozostale nie sa wcisniete
if (((keys & DOWN_PRESSED) != 0)
&& (previousPressed == false)
&& (nextPressed == false)
&& (firePressed == false)) {
if (previousPressed == false) {
soundPlayer.play(SoundPlayer.CLICK_SOUND);
}
bluetoothPlayer.volumeDown();
}
}
}
// jesli wyswietlany jest ekran biblioteki muzycznej
if (displayedScreen == MEDIA_LIBRARY_SCREEN) {
// jesli przycisk akcji jest wcisniety, a pozostale nie sa wcisniete
if (((keys & FIRE_PRESSED) != 0) && (nextPressed == false) && (previousPressed == false)) {
buttonPressedInARowCount = 0;
if (firePressed == false) soundPlayer.play(SoundPlayer.CLICK_SOUND);
firePressed = true;
}
// przycisk zostal zwolniony
else if (((keys & FIRE_PRESSED) == 0) && (firePressed == true)) {
buttonPressedInARowCount = 0;
firePressed = false;
}
// jesli przycisk 'Down' jest wcisniety, a pozostale nie sa wcisniete
if (((keys & DOWN_PRESSED) != 0) && (firePressed == false) && (previousPressed == false)) {
if (nextPressed == true) buttonPressedInARowCount++;
else buttonPressedInARowCount = 0;
nextPressed = true;
}
// button was released or hold down for more than MAX_BUTTON_PRESSED_IN_A_ROW_COUNT clicks
if ((((keys & DOWN_PRESSED) == 0) && (nextPressed == true))
|| (((keys & DOWN_PRESSED) != 0)
&& (buttonPressedInARowCount >= MAX_BUTTON_PRESSED_IN_A_ROW_COUNT))) {
// jesli wybrany utwor nie byl ostatni na liscie
if (bluetoothPlayer.getMediaLibrary().selectItemInMediaLibrary(NEXT_ITEM) == true) {
if (mediaLibrarySelectedItemOnScreen < mediaLibraryItemsNumberOnScreen - 1)
mediaLibrarySelectedItemOnScreen++;
}
// nextPressed is set to false only if button was released
if ((((keys & DOWN_PRESSED) != 0)
&& (buttonPressedInARowCount >= MAX_BUTTON_PRESSED_IN_A_ROW_COUNT))
== false) nextPressed = false;
}
// jesli przycisk 'Previous' jest wcisniety, a pozostale nie sa wcisniete
if (((keys & UP_PRESSED) != 0) && (nextPressed == false) && (firePressed == false)) {
if (previousPressed == true) buttonPressedInARowCount++;
else buttonPressedInARowCount = 0;
previousPressed = true;
}
// button was released or hold down for more than MAX_BUTTON_PRESSED_IN_A_ROW_COUNT clicks
if ((((keys & UP_PRESSED) == 0) && (previousPressed == true))
|| (((keys & UP_PRESSED) != 0)
&& (buttonPressedInARowCount >= MAX_BUTTON_PRESSED_IN_A_ROW_COUNT))) {
// jesli wybrany utwor nie byl pierwszy na liscie
if (bluetoothPlayer.getMediaLibrary().selectItemInMediaLibrary(PREVIOUS_ITEM) == true) {
if (mediaLibrarySelectedItemOnScreen > 0) mediaLibrarySelectedItemOnScreen--;
}
// previousPressed is set to false only if button was released
if ((((keys & UP_PRESSED) != 0)
&& (buttonPressedInARowCount >= MAX_BUTTON_PRESSED_IN_A_ROW_COUNT))
== false) previousPressed = false;
}
}
// if volume level has changed
if (volumeLevel != bluetoothPlayer.getVolumeLevel()) {
showVolume = 15;
volumeLevel = bluetoothPlayer.getVolumeLevel();
}
if (bluetoothPlayer.getIsConnectedToServer() == false) {
if (buttonsLocation < 70) buttonsLocation += 5;
}
if ((bluetoothPlayer.getIsConnectedToServer() == true) && (buttonsLocation > 0)) {
buttonsLocation -= 5;
}
if (bluetoothPlayer.getStateChanged()) {
String state = bluetoothPlayer.getPlayingState();
if (state != null) {
if (state.equals("PLAY") || state.equals("OTHER")) {
playPauseSprite.setFrame(PAUSE_ICON);
} else if (state.equals("PAUSE") || state.equals("STOP"))
playPauseSprite.setFrame(PLAY_ICON);
}
soundPlayer.play(SoundPlayer.POPUP_SOUND);
}
}